General Program

The location of the different talks is indicated on the campus map.

The morning talks will take place in building E, Amphithéâtre D1.

Monday	Tuesday	Wednesday	Thursday	Friday
8:45 Opening
9:00 - 10:00 Olivier Wittenberg Zéro-cycles sur les espaces homogènes de groupes linéaires	9:00 - 10:00 Laura DeMarco Complex dynamics, heights, and elliptic curves	9:00 - 10:00 Wei Zhang Algebraic cycles, L-functions and relative trace formulae	9:00 - 10:00 Ana Caraiani Shimura varieties, torsion classes and Galois representations	9:00 - 10:00 Bhargav Bhatt Integral p-adic Hodge theory and THH
10:00 - 10:45 Coffee break	10:00 - 10:45 Coffee break	10:00 - 10:30 Coffee break	10:00 - 10:45 Coffee break	10:00 - 10:45 Coffee break
10:45 - 11:45 Maryna Viazovska The sphere packing problem in dimensions 8 and 24	10:45 - 11:45 Yves André Deep ramification techniques in commutative algebra	10:30 - 11:30 Trevor Wooley Nested Efficient Congruencing and relatives of Vinogradov's mean value theorem	10:45 - 11:45 Toby Gee Potential automorphy	10:45 - 11:45 Jacob Tsimerman Transcendence conjectures for Shimura Varieties and Period maps
11:45 - 13:30 Lunch	11:45 Photo	11:30 Tourism	11:45 - 13:30 Lunch	11:45 - 13:30 Lunch
	12:00 - 13:45 Lunch
13:30 - 15:20 Short talks	13:45 - 16:05 Short talks		13:30 - 15:20 Short talks	13:30 - 14:50 Short talks
15:20 - 16:00 Coffee break	16:05 - 16:50 Coffee break		15:20 - 16:00 Coffee break	14:50 - 15:30 Coffee break
16:00 - 17:50 Short talks	16:50 - 18:40 Short talks		16:00 - 17:50 Short talks	15:30 - 16:30 Open problems session
19:30 Reception			19:30 Banquet	End of the JA2017 See you in Istanbul in 2019!

Parallel sessions program

The afternoons of the Journées are dedicated to five parallel sessions, which will take place on the ground floor of building N.

Monday 3 July

	Session 1	Session 2	Session 3	Session 4	Session 5
Room	Amphi Poincaré	Amphi Dumont d'Urville	Amphi Fresnel	Amphi Rouelle	Amphi Vauquelin
13:30	Christoph Aistleitner Pair correlations and equidistributionPair correlations and equidistribution	Montserrat Alsina Fuchsian tessellations and applicationsFuchsian tessellations and applications	Alex Torzewski Galois action on units of rings of integersGalois action on units of rings of integers	Deniz Kaptan Small Gaps Between Primes in Arithmetic ProgressinsSmall Gaps Between Primes in Arithmetic Progressins	Alain Togbé Pell equations and sequencesPell equations and sequences
14:00	François Ballaÿ Une généralisation effective du théorème de LiouvilleUne généralisation du théorème de Liouville effectif pour les variétés projectives	Rupam Barman Counting points on Dwork hypersurfacesCounting points on Dwork hypersurfaces and hypergeometric functions	Francesc Bars Ferrero-Washington theorem for cyclotomic fieldsAn analog of Ferrero-Washington theorem over the Carlitz-cyclotomic extension	Patrick Meisner High Powers of Trace of FrobeniusExpected Value of High Powers of the Trace of Frobenius of Biquadratic Curves over Finite Fields	Kirsti Biggs Waring's problem with shiftsWaring's problem with shifts
14:30	Gökhan Soydan A Diophantine equation with power sumsOn the solutions of a Diophantine equation with power sums	Matthew Bisatt Schur Indices and BSDThe Compatibility of the Conjecture of Birch and Swinnerton-Dyer with Schur Indices	Jung Kyu Canci Periodic points for rational functionsScarcity of periodic points for rational functions over a number field	Sérgio Mendes L-packets and depth for $S{L}_2\left(K\right)$On L-packets and depth for $S{L}_2\left(K\right)$ and its inner form	Marija Bliznac Trebješanin Nonexistence of $D\left(4\right)$-quintuplesNonexistence of $D\left(4\right)$-quintuples
15:00	Antonella Perucca Reductions of Elliptic CurvesReductions of Elliptic Curves	César Martínez Torsion in subvarieties of Abelian varietiesBounds on the number of maximal torsion cosets of subvarieties of Abelian varieties	Alexandre Gélin Groupes de Classes et CryptologieCalcul de Groupes de Classes d'un Corps de Nombres et Applications à la Cryptologie	Matthew Lettington On Critical Binomial PolynomialsBinomial Polynomials mimicking Riemann's Zeta Function	Jakub Byszewski Sparse generalised polynomialsSparse generalised polynomials
15:20	Coffee break
16:00	Alexander Bruno Generalized continued fractionComputation of the best Diophantine approximations by means of the generalized continued fraction	Mehmet Cenkci Some congruences on hyperharmonic numbersSome congruences on hyperharmonic numbers	Hidetaka Kitayama Siegel modular formsSiegel modular forms with respect to non-split symplectic groups	Neelam Saikia Supercongruences for Truncated Hypergeometric SeriesSupercongruences for Truncated Hypergeometric Series	El Houcein El Abdalaoui On the Erdös flat polynomials problemOn the Erdös flat polynomials problem and Chowla conjecture
16:30	Kwok Chi Chim A lower bound for linear forms in two $p$-adic logarithmsA lower bound for linear forms in two $p$-adic logarithms	Gunther Cornelissen Graph theory and uniform finitenessGraph theory and uniform finiteness results for rational points on curves	Peter Koymans Unit equations in characteristic $p$On the equation $x+y=1$ in finitely generated multiplicative groups in positive characteristic	Khadija Mbarki Sign changes of Hecke eigenvaluesExplicit bounds for the number of sign changes of Hecke eigenvalues	Mikhail Gabdullin Sets avoiding squares in ${\mathbb{Z}}_m$Sets avoiding squares in ${\mathbb{Z}}_m$
17:00	Dmitry Gayfulin Attainable numbers and the Lagrange spectrumAttainable numbers and the Lagrange spectrum	Éric Gaudron Torsion points on CM abelian varietiesTorsion points on CM abelian varieties	Emmanuel Lecouturier Éléments d'Eisenstein supérieursThéorie des éléments d'Eisenstein supérieurs dans le module supersingulier et les symboles modulaires	Tomomi Ozawa Classical weight one forms in a Hida familyClassical weight one forms in a Hida family of Hilbert cusp forms with parallel weights	Georges Grekos Weighted exponential densitiesWeighted exponential densities
17:30	Paul Voutier Elliptic division polynomials and divisibility sequencesArithmetic properties of elliptic division polynomials and divisibility sequences	Borka Jadrijević Determining elements of minimal indexDetermining elements of minimal index in some infinite families of bicyclic biquadratic number fields	Bartosz Sobolewski 2-adic valuation of some generalized Fibonacci sequencesThe 2-adic valuation of some generalized Fibonacci sequences with an application to Diophantine equations involving factorials	Aram Tangboonduangjit Generalized Bernoulli PolynomialsGeneralized Bernoulli Polynomials via the Residue Theorem	Michael Weba Finite Representations of the Partition FunctionFinite Spectral Representations of the Partition Function and Related Mappings

Tuesday 4 July

	Session 1	Session 2	Session 3	Session 4	Session 5
Room	Amphi Poincaré	Amphi Dumont d'Urville	Amphi Fresnel	Amphi Rouelle	Amphi Vauquelin
13:45	Zhizhong Huang Distribution locale sur certaines variétés toriquesApproximation diophantienne et distribution locale des points de hauteur bornée sur certaines variétés toriques	Dino Destefano Eisenstein series and $p$-adic analytic modular formsResults on Eisenstein series and application to explicit results about $p$-adic analytic families of modular forms in level one	Laura Paladino Local-global divisibilityLocal-global divisibility in abelian varieties	Didier Lesesvre Type de symétrie des quaternionsLe type de symétrie des algèbres de quaternions totalement définies	Christoph Hutle Diophantine Triples in Linear RecurrencesDiophantine Triples in Linear Recurrences
14:15	Hajime Kaneko On the digits of smooth numbersOn the number of nonzero digits of smooth numbers	Lucile Devin Divisivility by $p$ of $N_X\left(p\right)$Divisibility properties of the number of ${\mathbf{F}}_p$-points of schemes defined over $\mathbf{Z}$	Gabriele Ranieri A result about the local-global divisibiltyOn the local-global divisibility problem over abelian surfaces	Nick Rome On the Hasse norm principleThe Hasse Norm Principle for Biquadratic Extensions of $\mathbb{Q}$	Ali Kacha Continued fraction of quasi-arithmetic power meansContinued fraction expansions of the quasi-arithmetic power means of two positive definite matrices
14:45	Makoto Kawashima Special values of $p$-adic Hurwitz zeta functionIrrationality of the special values of formal Laurent series represented by the formal Mellin transform of $G$-functions	Florence Gillibert Local-global divisibilty and ${GL}_2$-type varietiesOn the local-global divisibility problem over ${GL}_2$-type varieties	Brundaban Sahu Rankin-Cohen brackets on Jacobi formsRankin-Cohen brackets on Jacobi forms and Siegel modular forms and Certain Dirichlet series	Hironori Shiga An explicit form of a Shimura canonical modelAn explicit form of the Shimura canonical model for the quaternion algebra of discriminant 6	Kacem Belhroukia Opérateur de HeinzDéveloppement en fractions continues de l'opérateur de Heinz
15:15	Adelina Mânzăţeanu Rational Curves on Cubic HypersurfacesRational Curves on Cubic Hypersurfaces over ${𝔽}_q$	Lasse Grimmelt A Cubic Form and a SquareRepresentation of Squares by nonsingular Cubic Forms	Ketevan Shavgulidze The space of generalized theta-seriesThe space of generalized theta-series with quadratic forms in any number of variables	Vaidehee Thatte Ramification Theory in Positive CharacteristicRamification Theory for Arbitrary Valuation Rings in Positive Characteristic	Christina Karolus Composite polynomialsComposite polynomials in second order linear recurrence sequences
15:45	Oleg German Lattices and Diophantine exponentsLattices and Diophantine exponents	Andrzej Dąbrowski Orders of Tate-Shafarevich groupsOrders of Tate-Shafarevich groups in families of elliptic curves	Attila Bérczes Effective results for division points on curvesEffective results for division points on curves over finitely generated domains	Léo Poyeton Relèvement du corps des normesRelèvement du corps des normes, extensions $\phi$-itérées et groupes de Lubin-Tate relatifs	Markus Hittmeir A Computational Aspect of Rational ResiduosityA Computational Aspect of Rational Residuosity
16:05	Coffee break
16:50	Philippe Moustrou On sets avoiding distance 1On the Density of Sets Avoiding Parallelohedron Distance 1	Roberto Gualdi Heights of hypersurfaces in toric varietiesA formula for the height of hypersurfaces in toric varieties with respect to toric line bundles equipped with semipositive toric metrics	Harry Smit Reconstructing global fieldsThe reconstruction of global fields from Dirichlet $L$-series and the abelianized Galois group	Giacomo Cherubini Mean square in the prime geodesic theoremMean square in the prime geodesic theorem	Takao Komatsu Truncated Bernoulli/Cauchy-Carlitz numbersTruncated Bernoulli-Carlitz and truncated Cauchy-Carlitz numbers
17:20	Shoichi Nakajima Gaussian PrimesOn the distribution of the Gaussian primes	Tomasz Jędrzejak Polynomial Pell equationsPolynomial Pell equations $P{\left(x\right)}^2-(x^{2m}+ax+b)Q{\left(x\right)}^2=1$ and hyperelliptic curves	Bouchaïb Sodaïgui Steinitz classesOn Steinitz classes of nonabelian Galois extensions and $p$-ary cyclic Hamming codes	Shigeki Egami Dirichlet Series Associated To Recurrence SeriesDirichlet Series Associated To Recurrence Series	Paolo Leonetti On the $p$-adic valuation of Stirling numbersOn the $p$-adic valuation of Stirling numbers of the first kind
17:50	Chatchawan Panraksa Rationnal periodic pointsPeriodic points of rational functions with good reduction everywhere	Mirela Jukić Bokun Elliptic curves induced by Diophantine triplesOn the torsion group of elliptic curves induced by Diophantine triples over quadratic fields	Ivan Soldo A Pellian equation with primes and its applicationsA Pellian equation with primes and its applications	Guillaume Hitsch Moments de fonctions $L$Moments d'ordre $n$ des fonctions $L$ des formes primitives	Andrea Marino Polynomial sums of finite groupsA local computation of polynomial sums over distinct elements of a group
18:20	Damien Roy Parametric geometry of numbersParametric geometry of numbers in function fields	Valentijn Karemaker Fully maximal and minimal supersingular abelian varietiesFully maximal and minimal supersingular varieties	Mohammed Taous Capitulation des 2-classes d'idéauxCapitulation des 2-classes d'idéaux de certains corps de Dirichlet	Jesse Jääsaari Exponential Sums Related to Automorphic formsOn the Distribution of Exponential Sums Related to Automorphic forms	Giuseppe Melfi Primitive weird numbersPrimitive weird numbers with several distinct prime factors

Thursday 6 July

	Session 1	Session 2	Session 3	Session 4	Session 5
Room	Amphi Poincaré	Amphi Dumont d'Urville	Amphi Fresnel	Amphi Rouelle	Amphi Vauquelin
13:30	Adrian Scheerer Absolutely normal numbers and their discrepancy estimateOn absolutely normal numbers and their discrepancy estimate	Julian Lyczak Brauer groups of log K3 surfacesA uniform bound for Brauer groups of certain log K3 surfaces	Douglas Ulmer Algebraic approaches to Brauer-SiegelAn algebraic approach to the Brauer-Siegel ratio for abelian varieties over function fields	Daniel Rabayev Intersective $A_5$ polynomials with two irreducible factorsIntersective $A_5$ polynomials with two irreducible factors	Piotr Miska On numbers of permutations of certain typeOn numbers of permutations being products of pairwise disjoint cycles of length $d$
14:00	Efthymios Sofos Artin's conjecture and the ternary Goldbach problemArtin's conjecture and the ternary Goldbach problem	Riccardo Walter Maffucci Nodal intersections of arithmetic random wavesNodal intersections of arithmetic random waves with a straight line on the 3d torus	Jan-Willem Van Ittersum Quantitative Results on Diophantine EquationsQuantitative Results on Diophantine Equations in Many Variables	Joachim König On parametric setsOn parametric sets of regular Galois extensions over number fields	Muhammed Uludağ Jimm, a fundamental involutionOn the involution of the real line induced by Dyer's outer automorphism of PGL(2,Z)
14:30	Carlo Pagano Cohen-Lenstra for ray class groupsCohen-Lenstra for ray class groups: Model and theorems		Teimuraz Vepkhvadze Representation of numbers by binary formsOn the representation of numgers by binary quadratic forms belonging to malti-class genera	Pierre Dèbes On genus zero pull-backs of Galois coversOn genus zero pull-backs of Galois covers	Péter Pál Pach Polynomials and progression-free setsPolynomials and progression-free sets
15:00	Cristiana Bertolin Elliptic integrals of the third kind and 1-motivesElliptic integrals of the third kind and 1-motives	Atsuhira Nagano Class fields via $K3$ surfacesA construction of class fields via periods of toric $K3$ hypersurfaces	Coline Wiatrowski Lien entre unité de Stark et groupe des classesÉgalité entre les idéaux de Fitting du groupe des classes et du groupe des unités quotienté par l'unité de Stark	Danny Neftin Rational points under rational mapsInjectivity of rational maps on rational points	Ram Krishna Pandey Maximal density of $M$-setsMaximal density of $M$-sets
15:20	Coffee break
16:00	David Tweedle Primitive points for Drinfeld modulesPrimitive points for Drinfeld modules	Tomáš Hejda Totally Positive Quadratic Integers and NumerationTotally Positive Quadratic Integers from the Numeration Point of View	Qinghai Zhong Minimal distances and class groups characterizationThe set of minimal distances and the characterization of class groups in Krull monoids	François Motte Sur la conjecture de Malle en théorie inverse de GaloisConstructions d'extensions galoisiennes de groupe $G$ donné sur un corps de nombre $K$ dépendant de $G$	Tomos Parry Sequences in arithmetic progressionsTheorems of Barban-Davenport-Halberstam type with higher moments
16:30	Jean-Louis Verger-Gaugry Dynamical Zeta Function and Bogomolov PropertyDynamical Zeta Function of the $\beta$-shift for $\beta$ a Totally Real Algebraic Number. The Bogomolov Property	Mihran Papikian On Ribet's isogenyOn Ribet's isogeny for Jacobians of modular curves of small levels	Jeremy Booher Geometric Deformations of Galois RepresentationsGeometric Deformations of Orthogonal and Symplectic Galois Representations	Salah Najib Reduction and specialization of a polynomials familyReduction and specialization of a polynomials family	Zhivko Petrov On an equation involving fractional powersOn an equation involving fractional powers with one prime and one almost prime variables
17:00		Daniele Turchetti Galois descent for semi-affinoidsAutomorphisms of finite order and tame Galois descent of semi-affinoid curves	François Brunault Régulateurs modulairesRégulateurs modulaires via la méthode de Rogers-Zudilin	François Legrand On the Grunwald problemOn the Grunwald problem for regular Galois groups over $\mathbb{Q}$	Carlo Sanna G.C.D. of $n$ and the $n$th term of a recurrenceOn the G.C.D. of $n$ and the $n$th term of a linear recurrence
17:30	Volker Ziegler Linear Equations in Recurrence SequencesEffective results for linear Equations in Members of two Recurrence Sequences	Erik Visse Towards a Manin conjecture for K3 surfacesTowards a Manin-type conjecture for the growth of rational points of bounded height on K3 surfaces.	Michael Neururer Mahler measures of elliptic surfacesMahler measures of elliptic surfaces	Bruno Deschamps Une curiosité galoisienneUne curiosité galoisienne	Yurii Shteinikov Product sets of rationalsEstimates for product and quotient sets of integers and rational numbers of bounded height

Friday 7 July

	Session 1	Session 2	Session 3	Session 4	Session 5
Room	Amphi Poincaré	Amphi Dumont d'Urville	Amphi Fresnel	Amphi Rouelle	Amphi Vauquelin
13:30	Rosa Winter Concurrent lines on del Pezzo surfaces of degree oneThe maximal number of exceptional curves going through the same point on del Pezzo surfaces of degree one	Henri Johnston On the $p$-adic Stark conjecture at $s=1$On the $p$-adic Stark conjecture at $s=1$ and applications to equivariant Tamagawa number conjecture	Cathy Swaenepoel Digits in finite fieldsDigits in finite fields	Titus Hilberdink Matrices with multiplicative entriesMatrices with multiplicative entries	Hanane Zerdoum On Harborth constantsOn the classical and the weighted Harborth constant of certain abelian groups
14:00	Vítězslav Kala Universal Quadratic Forms over Number FieldsUniversal Quadratic Forms over Number Fields	Joni Teräväinen Double correlations of multiplicative functionsOn double correlations of multiplicative functions	Márton Szikszai Coprimality in consecutive values of polynomialsA coprimality condition for consecutive values of polynomials	Salvatore Tringali Full elasticity of power monoidsPower monoids of Dedekind-finite, aperiodic monoids are fully elastic	Oleg Karpenkov Combinatoric of multidimensional continued fractionsCombinatoric of Minkowski--Voronoi multidimensional continued fractions
14:30	Kamel Mazhouda The Li coefficients for a class of $L$-functionsThe Li coefficients for a class of $L$-functions and applications	Jonas Jankauskas On Littlewood and Newman polynomialsOn Littlewood and Newman polynomial multiples of Borwein polynomials	Mumtaz Hussain Hausdorff measure and Dirichlet non-improvable numbersHausdorff measure of sets of Dirichlet non-improvable numbers	Jan Šustek Irrationality measure of infinite seriesNew bounds for irrationality measure of infinite series	Ade Irma Suriajaya Ergodic value distribution of meromorphic functionsAn ergodic value distribution of certain meromorphic functions
14:50	Coffee break
15:30	Open problems session

Session 6 (Bonus)	Room SA-016	13:30 Maciej Zakarczemny On some cancellation algorithmsOn some cancellation algorithms	14:00 Christiaan van de Woestijne On resultant relationsOn resultant relations	14:30 Victoria Cantoral Farfán Torsion pour les variétés abéliennes de type IIITorsion pour les variétés abéliennes de type III